package com.countryfinancial.android.demo;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

import com.countryfinancial.android.R;
import com.countryfinancial.android.R.layout;
import com.countryfinancial.android.R.menu;

import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.Bitmap;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

public class CameraActivity extends Activity {
	private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;
	private static final int CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE = 200;
	
	private Uri fileUri;
	public static final int MEDIA_TYPE_IMAGE = 1;
	public static final int MEDIA_TYPE_VIDEO = 2;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_camera);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_camera, menu);
        return true;
    }
    
    public void startCameraActivity(View view){
    	//TODO - Check whether app is available to handle event
        // create Intent to take a picture and return control to the calling application
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        
        try {
        fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE); // create a file to save the image
        intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file name

        // start the image capture Intent
        startActivityForResult(intent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
        } catch (Exception e) {
        	Toast.makeText(this, "An error occurred while trying to initialize the camera: " + e.getMessage(), Toast.LENGTH_LONG).show();
        }
    }
    

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK) {
                // Image captured and saved to fileUri specified in the Intent
                //Toast.makeText(this, "Image saved to:\n" + data.getData(), Toast.LENGTH_LONG).show();
            	Toast.makeText(this, "Image saved ", Toast.LENGTH_LONG).show();
            	
            	//Loading the result in the image view
            	ImageView image = (ImageView) findViewById(R.id.image_camera);
            	image.setImageURI(fileUri);
            	//Bundle extras = data.getExtras();
            	//Bitmap mImageBitmap = (Bitmap)extras.get("data");
            	//image.setImageBitmap(mImageBitmap);
            } else if (resultCode == RESULT_CANCELED) {
                // User cancelled the image capture
            	Toast.makeText(this, "Action was cancelled", Toast.LENGTH_SHORT).show();            	
            } else {
                // Image capture failed, advise user
            	Toast.makeText(this, "An error occurred", Toast.LENGTH_LONG).show();     
            }
        }

        if (requestCode == CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK) {
                // Video captured and saved to fileUri specified in the Intent
                Toast.makeText(this, "Video saved to:\n" +
                         data.getData(), Toast.LENGTH_LONG).show();
            } else if (resultCode == RESULT_CANCELED) {
                // User cancelled the video capture
            } else {
                // Video capture failed, advise user
            }
        }
    }
    
    
    //Function to check whether an app can handle the event
    public static boolean isIntentAvailable(Context context, String action) {
        final PackageManager packageManager = context.getPackageManager();
        final Intent intent = new Intent(action);
        List<ResolveInfo> list =
                packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
        return list.size() > 0;
    }
    
    /** Create a file Uri for saving an image or video */
    private static Uri getOutputMediaFileUri(int type){
          return Uri.fromFile(getOutputMediaFile(type));
    }

    /** Create a File for saving an image or video */
    private static File getOutputMediaFile(int type){
        // To be safe, you should check that the SDCard is mounted
        // using Environment.getExternalStorageState() before doing this.

        File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
                  Environment.DIRECTORY_PICTURES), "MyCameraApp");
        // This location works best if you want the created images to be shared
        // between applications and persist after your app has been uninstalled.

        // Create the storage directory if it does not exist
        if (! mediaStorageDir.exists()){
            if (! mediaStorageDir.mkdirs()){
                Log.d("MyCameraApp", "failed to create directory");
                return null;
            }
        }

        // Create a media file name
        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
        File mediaFile;
        if (type == MEDIA_TYPE_IMAGE){
            mediaFile = new File(mediaStorageDir.getPath() + File.separator +
            "IMG_"+ timeStamp + ".jpg");
        } else if(type == MEDIA_TYPE_VIDEO) {
            mediaFile = new File(mediaStorageDir.getPath() + File.separator +
            "VID_"+ timeStamp + ".mp4");
        } else {
            return null;
        }

        return mediaFile;
    }
}
